含嘧啶雙酚配位化合物之自組裝合成、結構與性質探討

Self-assembly, Structures, and Properties of Coordination Compounds Based on Dihydroxypyrimidine

陳函听(Han-Yin Chen)

指導教授 ： 曾添文 ； 呂光烈

國立臺北科技大學/工程學院/化學工程研究所/碩士(2013年)

https://doi.org/10.6841/NTUT.2013.00016

摘要

本論文研究主要為利用室溫自組裝反應，設計出過渡金屬與具有生物鹼基性質的有機配子反應形成之金屬－有機配位化合物。使用的有機配子：4,6-dihydroxypyrimidine (H2dhp)與2,4-dihydroxypyrimidine-5-carboxylic acid (H3dhpca)。將上述有機配子與鎳、鈣、錳、鎂與鋅等金屬離子以室溫自組裝方式，共合成得到五個金屬－有機配位化合物，有單體結構物 1, 3, 4, 5、二維結構物2等結構之產物。
依據有機配子的不同，區分為兩個部份加以說明:
第一部份：4,6-dihydroxypyrimidine (H2dhp)分別與鎳、鈣金屬鹽類反應，得到單核化合物[Ni(Hdhp)2(H2O)4] (1)與二維結構{[Ca(Hdhp)2(H2O)2]•THF}n (2)。
第二部份：2,4-dihydroxypyrimidine-5-carboxylic acid (H3dhpca)分別與錳、鎂和鋅金屬鹽類反應，合成出單核化合物[Mn(H2dhpca)2(H2O)2] (3)、單核化合物
{[Mg(H2dhpca)2(H2O)2]•2H2O} (4)與單核化合物{[K2(H2O)6][Zn(H2dhpca)2(H2O)2]} (5)。
產物經由單晶X射線繞射解析得到晶體結構，並利用IR，以及TGA、粉末 X射線繞射解析鑑定，測定其性質。

關鍵字

配位化合物 ； 雙酚配子 ； 自組裝 ； 結構

並列摘要

This thesis focuses on the preparation of based metal–organic frameworks based on nucleobases via a self-assembly strategy. Two uracil-derivatives, 4,6-dihydroxypyrimidine (H2dhp) and 2,4-dihydroxypyrimidine-5-carboxylic acid (H3dhpca), were selected for use as potential organic ligands. The assembly of CaII, NiII ions with 4,6-dihydroxypyrimidine (H2dhp) in water or alcohol at ambient temperature led to the formation of the discrete molecule [Ni(Hdhp)2(H2O)4] (1) and a 2D metal–organic frameworks {[Ca(Hdhp)2(H2O2)]•THF}n (2). When MnII, MgII and ZnII were reacted with 2,4-dihydroxypyrimidine-5-carboxylic acid (H3dhpca) in water or alcohol at ambient temperature, the discrete compounds [Mn(H2dhpca)2(H2O)2] (3), {[Mg(H2-dhpca)2(H2O)2]•2H2O} (4) , and {[K2(H2O)6][Zn(H2dhpca)2(H2O)2]} (5) were produced.
The solid-state structures of the products were characterized by single-crystal X-ray diffraction analyses and their thermal stabilities were examined by TGA method.

並列關鍵字

coordination compound ； dihydroxypyrimidine ； self assembly ； structure

參考文獻

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